空心板桥桥面铺装对主梁受力性能影响分析

采用有限元计算模型,对空心板桥桥面铺装层对主梁受力性能进行了仿真模拟分析,并与荷载试验的结果进行了对比。结果表明,不考虑桥面铺装参与受力时主梁的计算应力、挠度、荷载效应分别比考虑桥面铺装参与受力时分别大22%、30%、38%,考虑桥面铺装参与主梁受力更加接近荷载试验的实测结果,结构更偏于安全。

Bridge Deck Pavement on the Main Girder Performance Analysis of Hollow-slab

Using the finite element calculation model of hollow slab bridge,bridge deck pavement on main beam stress performance were simulated,and the load test results are compared.The results show that,without considering the bridge deck pavement in stress calculation of stress,deflection of main beam,loading effects than consideration of bridge deck pavement in force respectively22%,30%,38%,consider the bridge deck pavement in the girder is more close to the loading test data,structure is more partial to safety.